<template>
  <div class="Login_container">
    <div class="login_box">
      <div class="login_box">
        <div class="avatar_box">
          <img src="../assets/logo.png"
               alt="">
        </div>
        <el-form ref="loginFormRef"
                 :model="loginForm"
                 :rules="loginFormRules"
                 label-width="0px"
                 class="login_form">
          <el-form-item prop="username">
            <el-input v-model="loginForm.username"
                      prefix-icon="iconfont icon-users"></el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input v-model="loginForm.password"
                      prefix-icon="iconfont icon-3702mima"
                      type="password"></el-input>
          </el-form-item>
          <el-form-item class="btns">
            <el-button type="primary"
                       @click="login">登录</el-button>
            <el-button type="info"
                       @click="resetLoginForm">重置</el-button>
          </el-form-item>
        </el-form>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  data () {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      loginFormRules: {
        username: [
          { required: true, message: '请输入登录名称', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入登录密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }]
      }
    }
  },
  methods: {
    resetLoginForm () {
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.loginForm)
        if (res.meta.status !== 200) return this.$message.error('登录失败！')
        this.$message.success('登录成功！')
        console.log(res)
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    }
  }

}
</script>
<style lang="less" scoped>
.Login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;

    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.btns {
  display: flex;
  justify-content: flex-end;
}
.login_form {
  position: absolute;
  bottom: 0px;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>
